ddclient suse 9.1 and linksys

Posted on 2004-08-31
Last Modified: 2010-03-17
Hi, I have suse 9.1, account, ddclient and a linksys router and I'm trying to access my box through the internet.

All this seems to work fine except when I type in the ip it goes through to the linksys router asking me to login and when I do I get the liksys router's admin stuff.  I have set up forwarding for the applicable ports too.  I switched off firewall and dhcp (my box had an assigned ip at this point), I did a firmware upgrade to the router too.

I'm a little stumped from here, any ideas would be appreciated.

Question by:iqula
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LVL 40

Expert Comment

ID: 11942003
Are you using telnet for remote access to the Linux box? A better choice for security reasons would be ssh, and it shouldn't be intercepted by the linksys. For ssh you'll want to forward Port 22 to the Linux box.

Author Comment

ID: 11942388
Hi, ultimatly I do want to use port 22 and ssh, but I set that up and cannot get it to work either.  Do you think this would be because my linux box has a dhcp ip address?
LVL 40

Expert Comment

ID: 11945314
It doesn't matter is the Linux box gets an IP from the Linksys via DHCP or uses a static config as long as the Linksys allows an inbound ssh connection and forwards it to the correct inside IP. However, you'd want to have a static IP on the Linux box just so that the inside IP doesn't change, necessitating a change in the router.

Can you ssh into the Linux box from another system on the local LAN? If not that might mean that sshd isn't enabled/running or that a local firewall on the SuSE box is in the way. Once you've proved that ssh from within the LAN works any connection problems from outside would be an issue with the Linksys port forwarding or your ISP blocking the connection. I think the later is unlikely in this case since you were able to telnet to the Linksys.
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Author Comment

ID: 11950043
I can ssh the box from within the lan and the firewall is off.  Regarding the ISP blocking, when I type in my name it takes me through to my Linksys's web admin interface and this all works, I would think if ISP blocking was applied I would not be able to get through to this please would you confirm if my assumption is correct?
LVL 40

Accepted Solution

jlevie earned 500 total points
ID: 11952908
That's my assumption also. Any ISP blocking would have prevented you from reaching the Linksys.

Author Comment

ID: 12007424
DUP, you cannot get through from inside the lan, ie you have to go to a friends house and in will work.

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